Anatomy & Physiology Flashcards
(121 cards)
🎗List the anatomic layers from anterior to posterior (6 items).
- Skin
- Subcutaneous (premammary) layer
- Mammary layer
- Retromammary space
- Muscle layer
- Chest wall
🎗List the anatomic layers from posterior to anterior (6 items).
- Chest wall
- Muscle layer
- Retromammary space
- Mammary layer
- Subcutaneous (premammary) layer
- Skin
The skin is composed of the ___ and ___ layers.
Epidermis and dermis
🎗The thickness of mammary skin is…
0.5 to 2 mm
T/F? The mammary skin is thinner in young females and thickens with age.
False, the opposite
The nipple consists of ___ tissue and ___ muscle.
dense connective tissue and erectile muscle
How many lactiferous duct openings may be seen on the nipple surface?
15-20
The circular area of dark pigmentation around the nipple is the…
areola
The areola consists of ___ muscle.
smooth
T/F? Areola skin is slightly thicker than surrounding skin.
True
🎗The small bumps on the areola are the…
Montgomery glands (a type of sebaceous gland)
This layer lies just beneath the skin extending to the mammary layer.
subcutaneous (premammary) layer
🎗The subcutaneous layer consists mostly of…
fat.
Which layer is NOT seen posterior to the nipple?
subcutaneous
T/F? The amount of fat in the subcutaneous layer increases with age, pregnancy, and obesity.
True
What appears as prominent structures within the subcutaneous layer?
Cooper’s ligaments
At the breast, this divides into superficial and deep layers.
superficial fascia
🎗Breast tissue is completely contained between…
2 layers of superficial fascia.
The superficial fascia is contained within the ___ layer anterior to the mammary layer.
subcutaneous
The mammary layer is also known as the…
Parenchymal or Glandular layer
🎗What is the Axillary Tail of Spence?
the portion of glandular tissue that extends into the axilla
The mammary layer is composed of ___ and ___ tissue.
Stromal and Epithelial tissue
Which is the supportive tissue of the breast?
stromal
Which type of tissue consists of interlobular fat, Cooper’s ligaments, and loose and dense connective tissue?
stromal